• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Electrical Machines

Electrical Machines
In a dc machine 4 pole lap winding is used. The number of parallel paths are?

 2
 8
 1
 4

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The demagnetising component of armature reaction in a DC generator

  results in sparking trouble.
  increases armature speed.
  reduces inter poles flux density.
  reduces generator emf.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value?

 0.02
 0.2
 0.04
 0.4

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Which of the following represents the pitch factor?

 Cos α²
 Cos α
 sin (α/2)
 Cos (α/2)

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
A shunt generator has a critical field resistance of 300 Ω at a speed of 800 rpm if the speed is raised to 1000 rpm the critical field resistance is

  375 Ω.
 225 Ω.
 150 Ω.
 145 Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The wattage rating of a ceiling fan motor will be

 200 - 250 W.
  50 - 150 W.
 250 - 500 W.
 10 - 20 W.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electrical Machines

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑